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Spark Plugs

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  • Heat Range - 9 To 275
  • Thread Reach (in) - 0.750 Inch
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Autolite Racing Hi-Performance Spark Plug - AR3924
Part #:
AR3924
Line:
ATO
1 Year Limited Warranty
Seat:   Gasket
Thread Size:   M14
Heat Range:   9 To 275